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» Semantics in Spatial Databases
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SUM
2007
Springer
15 years 8 months ago
The Consistency Extractor System: Querying Inconsistent Databases Using Answer Set Programs
Abstract. We present the Consistency Extractor System (ConsEx) that uses answer set programming to compute consistent answers to first-order queries posed to relational databases ...
Mónica Caniupán Marileo, Leopoldo E....
DAWAK
2009
Springer
15 years 7 months ago
Mining Violations to Relax Relational Database Constraints
Frequent constraint violations on the data stored in a database may suggest that the semantics of the represented reality is changing. In this work we propose a methodology and a t...
Mirjana Mazuran, Elisa Quintarelli, Rosalba Rossat...
CINQ
2004
Springer
225views Database» more  CINQ 2004»
15 years 7 months ago
A Data Mining Query Language for Knowledge Discovery in a Geographical Information System
Spatial data mining is a process used to discover interesting but not explicitly available, highly usable patterns embedded in both spatial and nonspatial data, which are possibly ...
Donato Malerba, Annalisa Appice, Michelangelo Ceci
JCISE
2002
129views more  JCISE 2002»
15 years 2 months ago
Modeling Information Needs in Engineering Databases Using Tacit Knowledge
Online resources of engineering design information are a critical resource for practicing engineers. These online resources often contain references and content associated with te...
Shuang Song, Andy Dong, Alice M. Agogino
GIS
2008
ACM
16 years 3 months ago
Finding regional co-location patterns for sets of continuous variables in spatial datasets
This paper proposes a novel framework for mining regional colocation patterns with respect to sets of continuous variables in spatial datasets. The goal is to identify regions in ...
Christoph F. Eick, Jean-Philippe Nicot, Rachana Pa...